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Zhang, Jianwei; Scardamalia, Marlene; Lamon, Mary; Messina, Richard; Reeve, Richard – Educational Technology Research and Development, 2007
This study examines four months of online discourse of 22 Grade 4 students engaged in efforts to advance their understanding of optics. Their work is part of a school-wide knowledge building initiative, the essence of which is giving students collective responsibility for idea improvement. This goal is supported by software--Knowledge…
Descriptors: Optics, Grade 4, Internet, Computer Software